@charset "utf-8";
.area{
    width: 600px;
    height: 550px;
    border: 1px solid gray;
    margin: 25px auto;
    position: absolute;
    top: 5%;
    left: 50%;
    transform: translateX(-50%);
}
.area .ContenBox{
    box-sizing: border-box;
    width: auto;
    height: 400px;
    border-bottom: solid 1px gray;
    overflow-y:auto;
    padding-bottom: 10px;
}
.area textarea{
    height: 150px;
    width: 100%;
    box-sizing: border-box;
    resize:none;
    border: none;
    padding-left: 5px;
    font-size: 16px;
}
.cont{
    padding: 5px 10px;
    background-color: lavenderblush;
    border-radius: 10px;
    margin: auto 15px;
    margin-top: 15px;
    width: auto;
    height: auto;
    overflow: hidden;
    display: inline-block;
}